Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 12 Feb 2001 12:05:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 12 Feb 2001 12:04:58 -0500 Received: from dsl-64-34-176-225.telocity.com ([64.34.176.225]:19972 "HELO fpn.dyndns.org") by vger.kernel.org with SMTP id ; Mon, 12 Feb 2001 12:04:43 -0500 From: fpn@pobox.com Date: Mon, 12 Feb 2001 09:04:34 -0800 To: linux-kernel@vger.kernel.org Subject: 2.2.16-22 -> 2.4.0 breaks cpuid on Cyrix/IBM 6x86L-PR200+ Message-ID: <20010212090434.A8834@fpn.dyndns.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="J2SCkAp4GZ/dPZZf" Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --J2SCkAp4GZ/dPZZf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi all, I run RedHat 7 with 2.2.16-22 and 2.4.0 when a program uses the cpuid instruction under 2.4.0 it gets an illegal instruction signal. Under 2.2.16-22 that is not the case (it just works). I think (but can't easily verify) that I never saw that problem under 2.2.x. The Processor in question is a 6x86-L-PR200 from Cyrix/IBM. I have attached a little test in back (run in gdb). best regards, Florian Nierhaus P.S. Please CC me on this because I am not subscribed to the list. 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